CVE-2026-86583 WordPress Import and export users and customers - Privilege Escalation

WordPress Import and export users and customers plugin <= 2.4.17 contains a privilege escalation caused by CSV escape character mismatch in export/import workflow, letting authenticated attackers with Subscriber-level access escalate to Administrator, exploit requires site administrator to trigger export re-import with specific options.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-266

Vendor fix

Update to the latest version of the plugin.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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